2/11-9
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Generell informasjon
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Brønnhistorie
GeneralWell 2/11-9 (South Hod Prospect) is located within production license PL033, which also contains the Hod Field and part of the Valhall field. The South Hod Prospect extends across the Norway/Denmark border. Well 2/11-9 was drilled to test the hydrocarbon potential of pre-Jurassic sandstones contained within a horst block bounded to the east by the major Skrubbe Fault. Lower Hod Chalk and postulated possible Late Jurassic sandstone comprised secondary objectives.Operations and resultsWell 2/11-9 was spudded with the 3 leg jack-up installation Maersk Gallant on 24 July 1993 and drilled to TD at 4406 m in Early Carboniferous sediments. The well was drilled in 139 days versus the planned 103 days. An incident involving the loss of a 2 Curie Cesium 137 source from the MWD tool at 3816 m in the 12 1/4" section and contamination of the drilling fluid system resulted in 51.7 days of unscheduled events during the course of the well. The final solution was to abandon the contaminated section and make a sidetrack from 3760 m. The well was drilled with seawater and bentonite pills down to 1008 m and with PHPA/KCl/glycol/polymer mud (ANCO 2000) from 1008 m to TD.The prognosed Permian / Devonian sand units similar to Embla field, were not seen. Oil shows were observed in the Ekofisk, Tor and Hod Formations, typically associated with fractures, but the chalks were not of reservoir quality. The well penetrated a 612 m pre-Cretaceous section in which the Late Jurassic was absent. Top Carboniferous was set at 4055 m. Sandstone intervals were present, but there were no shows apart from an isolated show in a black claystone at 4119 m in the Carboniferous. Organic geochemical analyses of cuttings showed that the Carboniferous shales and coal beds were mainly Type III with a poor to fair potential for gas only. Four cores were cut, three from the interval 3038 m in the Våle Formation to 3070 m in the Ekofisk Chalk Formation and one in the Carboniferous Sandstones from 4211 m to 4225 m. No wire line fluid sample was taken.The well was permanently abandoned on 23 December 1993 as dry with oil shows.TestingNo drill stem test was performed -
Borekaks i Sokkeldirektoratet
Borekaks i Sokkeldirektoratet Borekaks tilgjengelig for prøvetaking?YESBorekaks i Sokkeldirektoratet Borekaksprøve, topp dybde [m]Borekaksprøve, bunn dybde [m]190.003801.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet13038.03049.0[m ]33060.23068.7[m ]44211.04224.8[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]33.3Borekjerner i Sokkeldirektoratet Kjerner tilgjengelig for prøvetaking?YES -
Foringsrør og formasjonsstyrketester
Foringsrør og formasjonsstyrketester Type utforingUtforing diam.
[tommer]Utforing dybde
[m]Brønnbane diam.
[tommer]Brønnbane dyp
[m]LOT/FIT slam eqv.
[g/cm3]Type formasjonstestCONDUCTOR30194.036197.00.00LOTINTERM.20997.0261008.00.00LOTINTERM.142989.017 1/22997.00.00LOTOPEN HOLE4406.012 1/44406.00.00LOT -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]DIPL DAC SGR29844402DLL GR9462985FMT29673704FMT30534373HEXDIP29844405MAC ZDEN SGR9462985MWD - GR RES DIR00SGR29003815SWC30524373VSP10004360VSP23902550ZDEN CN DGR29894403ZDEN CN DGR44032989 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet11515622937293729532992304730503050309132983656366137343734379538543935 -
Spleisede logger
Spleisede logger Dokument navnDokument formatDokument størrelse [KB]pdf0.71 -
Geokjemisk informasjon
Geokjemisk informasjon Dokument navnDokument formatDokument størrelse [KB]pdf2.48 -
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk)
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk) Dokument navnDokument formatDokument størrelse [KB]pdf65.67 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling11.6218.04.8WATER BASED10.08.199311.6217.04.3WATER BASED09.08.199311.7036.09.1DUMMY06.10.199311.7031.08.6WATER BASED08.10.199311.7029.09.1WATER BASED11.10.199311.7024.09.6WATER BASED11.10.199311.7019.012.0WATER BASED13.10.199311.6921.09.6WATER BASED14.10.199311.7017.07.7WATER BASED18.10.199311.7019.08.1WATER BASED18.10.199311.7021.09.1WATER BASED19.10.199311.7032.010.1WATER BASED08.11.199311.7026.09.1WATER BASED10.11.199311.7025.09.6WATER BASED11.11.199311.7028.011.5WATER BASED12.11.199311.7027.011.5WATER BASED15.11.199311.7027.012.0WATER BASED15.11.199311.7025.09.1WATER BASED12.10.199311.6919.08.6WATER BASED15.10.199311.7932.09.6WATER BASED23.11.19931211.05DUMMY26.07.19931941.05DUMMY26.07.19931941.05DUMMY28.07.19931971.05DUMMY28.07.19932771.104.014.4WATER BASED02.08.19933451.054.04.8DUMMY02.08.19934931.086.09.6WATER BASED02.08.19936101.115.010.5WATER BASED02.08.19936821.7828.05.3WATER BASED20.12.19939201.095.013.4WATER BASED02.08.19939821.112.06.2WATER BASED03.08.199310081.114.07.7WATER BASED04.08.199310081.135.07.7WATER BASED06.08.199310081.6216.04.8WATER BASED09.08.199310081.135.08.6WATER BASED05.08.199310111.6217.04.8WATER BASED09.08.199310141.6218.03.8WATER BASED12.08.199312851.6225.010.1WATER BASED12.08.199316121.6222.010.1WATER BASED13.08.199316981.6229.011.0WATER BASED16.08.199316981.6530.011.5WATER BASED20.08.199316981.6229.010.5WATER BASED16.08.199316981.6322.06.7WATER BASED16.08.199316981.6122.06.7WATER BASED18.08.199316981.6222.07.2WATER BASED18.08.199316981.6527.07.7WATER BASED19.08.199318771.6526.07.7WATER BASED23.08.199319331.6527.07.2WATER BASED23.08.199319761.8623.010.5WATER BASED21.10.199322561.6525.07.2WATER BASED23.08.199323581.7932.06.7WATER BASED20.12.199323951.6525.07.7WATER BASED24.08.199324051.7018.07.2WATER BASED22.10.199324051.8626.012.0WATER BASED20.10.199324521.7931.06.7WATER BASED20.12.199327141.6729.07.7WATER BASED25.08.199328901.6726.07.2WATER BASED26.08.199329061.7931.08.1WATER BASED20.12.199329971.6725.07.2WATER BASED27.08.199329971.6726.07.7WATER BASED30.08.199329971.6731.07.2WATER BASED30.08.199329971.6728.06.7WATER BASED30.08.199329971.6731.07.2WATER BASED31.08.199329971.6728.07.2WATER BASED01.09.199329971.6732.05.7WATER BASED02.09.199329971.6732.05.7WATER BASED03.09.199329971.6732.04.8WATER BASED06.09.199329971.6729.07.2WATER BASED06.09.199329971.6731.06.2WATER BASED06.09.199330381.6930.07.7WATER BASED07.09.199330381.6829.06.7WATER BASED08.09.199330481.6825.07.2WATER BASED09.09.199330551.6825.07.2WATER BASED10.09.199330581.6828.07.2WATER BASED13.09.199330601.6826.07.2WATER BASED13.09.199330701.6827.07.2WATER BASED13.09.199330961.6823.07.7WATER BASED14.09.199331811.7037.08.6WATER BASED05.10.199332151.7023.09.6WATER BASED15.09.199332641.7028.08.1WATER BASED01.11.199332931.7029.010.1WATER BASED02.11.199332951.7036.07.2WATER BASED03.11.199333061.7027.07.7WATER BASED04.11.199333201.7029.010.1WATER BASED27.10.199333201.7031.08.6WATER BASED01.11.199333221.6928.09.6WATER BASED16.09.199333491.7037.09.1WATER BASED07.10.199333501.7031.08.1WATER BASED11.10.199333521.7023.08.6WATER BASED08.11.199333891.7025.012.9WATER BASED25.10.199333901.7024.010.5WATER BASED25.10.199333991.7026.012.4WATER BASED25.10.199334001.7931.07.2WATER BASED20.12.199334331.6935.011.0WATER BASED17.09.199334341.7024.09.6WATER BASED28.10.199334451.7027.010.1WATER BASED08.11.199334461.6829.011.5WATER BASED20.09.199334511.7029.09.6WATER BASED08.11.199334521.6828.010.1WATER BASED20.09.199334571.7026.08.6WATER BASED01.11.199334681.6829.010.1WATER BASED20.09.199334701.7028.011.5WATER BASED26.10.199334991.6828.09.6WATER BASED21.09.199334991.7030.09.1WATER BASED01.11.199335031.7029.09.6WATER BASED09.11.199335071.6924.09.1WATER BASED23.09.199335291.7028.011.5WATER BASED15.11.199335331.7036.010.1WATER BASED04.10.199335721.7024.011.5WATER BASED16.11.199335761.7031.012.0WATER BASED17.11.199335881.6931.09.6WATER BASED23.09.199335881.6931.09.6WATER BASED23.09.199335881.6931.09.6WATER BASED23.09.199335881.6931.09.6WATER BASED23.09.199336711.6926.07.7WATER BASED24.09.199336711.6926.07.7WATER BASED24.09.199336811.6830.08.1WATER BASED27.09.199336921.7026.012.4WATER BASED18.11.199337011.6925.08.1WATER BASED27.09.199337131.6927.07.2WATER BASED27.09.199337591.7436.012.0WATER BASED04.10.199337611.7034.09.6DUMMY04.10.199337781.7033.08.6WATER BASED28.09.199337851.8029.011.0WATER BASED24.11.199338001.7029.011.0WATER BASED19.11.199338161.7033.08.6WATER BASED29.09.199338161.7033.08.6WATER BASED30.09.199338161.7033.09.6DUMMY04.10.199338471.7528.010.1WATER BASED22.11.199339501.7529.010.5WATER BASED22.11.199339761.7933.010.1WATER BASED22.11.199340231.7934.010.5WATER BASED25.11.199340641.7935.08.1WATER BASED26.11.199341021.7936.08.6WATER BASED29.11.199341021.7938.08.6WATER BASED29.11.199341451.7931.08.6WATER BASED29.11.199341941.7935.07.7WATER BASED30.11.199342101.8037.07.7WATER BASED01.12.199342231.7935.07.2WATER BASED02.12.199342241.7932.07.2WATER BASED03.12.199342281.7932.07.7WATER BASED06.12.199342551.7930.06.7WATER BASED06.12.199342551.7928.06.7WATER BASED06.12.199342931.7930.06.2WATER BASED07.12.199343351.7934.07.7WATER BASED09.12.199343751.7932.08.6WATER BASED09.12.199344061.7936.09.1WATER BASED13.12.199344061.7932.06.7WATER BASED13.12.199344061.7931.08.1WATER BASED13.12.199344061.7935.08.1WATER BASED13.12.199344061.7932.06.7WATER BASED14.12.199344061.7933.06.7WATER BASED15.12.1993